<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>

</body>
<script>
    var obj = {
        name:"达姆",
        marry:function () {
            console.log(this.name + " ❤ 周冬雨")
        }
    }


    //隐式丢失常见的场景
    setTimeout(obj.marry,2000)

</script>
</html>